2 Identifier "Kensington Kensington Slimblade Trackball"
3 MatchProduct "Kensington Kensington Slimblade Trackball"
5 MatchDevicePath "/dev/input/event*"
7 Option "ButtonMapping" "1 8 3 4 5 6 7 2 9"
8 Option "ScrollButton" "8"
9 Option "ScrollMethod" "button"